LP3220AB5F

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LP3220AB5F

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仕様

属性
Manufacturer LOWPOWER
Package SOT-23-5
Voltage - Supply 2.2V~5.5V
Function Step-down type
Synchronous Rectifier Yes
Number of Outputs 1
Topology Step-Down
Operating Temperature -40℃~+85℃
Output Type Adjustable
Quiescent Current 70uA
Switch tube (built-in/external) Built-in
Output Current 1A
Frequency - Switching 1.5MHz

概要

Description

The LP3220AB5F is a low-dropout (LDO) voltage regulator from Microchip Technology, designed for stable power supply in compact electronic devices. Key features include:
- Input Voltage Range: Up to 30V
- Output Voltage: Fixed 3.3V (other variants available)
- Output Current: 200mA
- Low Dropout: ~300mV at full load
- Low Quiescent Current: ~5µA (ideal for battery-powered applications)
- Protections: Overcurrent, thermal shutdown, and reverse polarity
Its small SOT-23-5 package makes it suitable for space-constrained designs like IoT sensors, wearables, and portable electronics. The LP3220AB5F ensures reliable performance with minimal external components.
For detailed specs, refer to the datasheet on Microchip’s website.

Equivalent

The LP3220AB5F is a low-power voltage detector. Equivalent alternatives include:
- Torex XC6120 series
- Richtek RT9801 series
- ABLIC S-808xx series
- Maxim MAX803/MAX809
- TI TPS3808 series
These offer similar voltage monitoring with adjustable or fixed thresholds, low quiescent current, and small packages. Verify specs (voltage range, output type, package) for exact compatibility.

Features

The LP3220AB5F is a low-dropout (LDO) voltage regulator with the following key features:
- Output Voltage: Fixed 5V
- Output Current: Up to 200mA
- Low Dropout Voltage: ~160mV (at 100mA)
- High Accuracy: ±2% (typical)
- Low Quiescent Current: ~50µA (typical)
- Thermal & Short-Circuit Protection: Built-in
- Input Voltage Range: Up to 10V
- Package: SOT-89-5 (compact surface-mount)
- Low Noise: Suitable for sensitive applications
Ideal for battery-powered devices, IoT, and portable electronics requiring stable 5V power.

Pinout

The LP3220AB5F is a 32-pin microcontroller from LAPIS Semiconductor (now part of ROHM).
Key Functions:
- ARM Cortex-M0+ core (low-power 32-bit MCU).
- 128KB Flash, 16KB SRAM.
- Operating voltage: 1.8V–5.5V.
- Peripherals: UART, SPI, I²C, timers, ADC, PWM.
- Low-power modes for battery applications.
Pin Functions:
- GPIOs (general-purpose I/O).
- Power (VDD/VSS) and reset (NRST) pins.
- Debugging (SWD) via dedicated pins.
- Analog (ADC input) and communication (UART/SPI/I²C) pins.
Suited for embedded systems, IoT, and portable devices. Check the datasheet for exact pinout details.

Manufacturer

The LP3220AB5F is a power management IC manufactured by Monolithic Power Systems (MPS), a U.S.-based semiconductor company specializing in high-performance power solutions. MPS is known for its efficient, compact, and innovative power ICs used in computing, automotive, industrial, and consumer electronics. The company focuses on advanced analog and mixed-signal technologies, offering products like DC-DC converters, voltage regulators, and motor drivers. MPS is recognized for its strong R&D and energy-efficient designs.

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